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Keflavik Intl

$398+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This oojo deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:00 pm
DCA
-
KEF
1 stop8h 10m
Icelandair
Tue 5/195:10 pm
KEF
-
DCA
1 stop18h 49m
Icelandair
Deal found 3/20$568
This lol.travel deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
DCA
-
KEF
1 stop22h 55m
Multiple Airlines
Fri 4/245:00 pm
KEF
-
DCA
1 stop9h 59m
Multiple Airlines
Deal found 3/19$570
This oojo deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:59 pm
DCA
-
KEF
1 stop8h 11m
Icelandair
Tue 4/145:10 pm
KEF
-
DCA
1 stop18h 49m
Icelandair
Deal found 3/19$574
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:59 pm
DCA
-
KEF
1 stop8h 11m
Icelandair
Mon 4/137:55 pm
KEF
-
DCA
1 stop16h 04m
Icelandair
Deal found 3/23$578
This FlightHub deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:59 pm
DCA
-
KEF
1 stop8h 11m
Multiple Airlines
Fri 4/175:00 pm
KEF
-
DCA
1 stop9h 59m
Multiple Airlines
Deal found 3/20$580
This oojo deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:00 pm
DCA
-
KEF
1 stop8h 10m
Icelandair
Sat 5/237:55 pm
KEF
-
DCA
1 stop15h 59m
Icelandair
Deal found 3/20$581
This Trip.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:59 pm
DCA
-
KEF
1 stop8h 11m
Icelandair
Wed 4/225:10 pm
KEF
-
DCA
1 stop18h 49m
Icelandair
Deal found 3/19$585
This FlightHub deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
DCA
-
KEF
1 stop22h 55m
Multiple Airlines
Tue 4/215:10 pm
KEF
-
DCA
1 stop18h 49m
Multiple Airlines
Deal found 3/20$586
This Flysmarter deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:59 pm
DCA
-
KEF
1 stop8h 11m
Multiple Airlines
Wed 4/155:00 pm
KEF
-
DCA
1 stop9h 59m
Multiple Airlines
Deal found 3/23$588
This oojo deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:15 pm
DCA
-
KEF
1 stop11h 55m
Icelandair
Tue 6/97:55 pm
KEF
-
DCA
1 stop15h 59m
Icelandair
Deal found 3/23$593

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$568
(oojo)

One-way from

$398
(oojo)

Popular in

December

Cheapest in

October

Average price

$529
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 4/28

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Tue 5/5

11:25 am-8:33 pm

2 stops13h 08m

$715

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 5/12

3:00 pm-7:40 am

1 stop12h 40m

Reykjavik Keflavik Intl

Tue 5/19

11:25 am-10:59 pm

2 stops15h 34m

$738

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 5/6

2:34 pm-9:30 am

2 stops14h 56m

Reykjavik Keflavik Intl

Mon 5/11

11:25 am-5:07 pm

1 stop9h 42m

$778

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 5/12

1:43 pm-7:00 am

2 stops13h 17m

Reykjavik Keflavik Intl

Thu 5/21

11:25 am-5:07 pm

1 stop9h 42m

$808

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 6/10

2:00 pm-8:50 am

1 stop14h 50m

Reykjavik Keflavik Intl

Fri 6/19

9:15 am-9:48 pm

1 stop16h 33m

$822
Quickest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 5/26

7:10 pm-8:50 am

1 stop9h 40m

Reykjavik Keflavik Intl

Sun 5/31

12:00 pm-8:10 pm

1 stop12h 10m

$839

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 6/16

7:30 am-8:50 am

1 stop21h 20m

Reykjavik Keflavik Intl

Fri 6/26

9:15 am-10:18 am

1 stop29h 03m

$875

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 8/18

8:30 am-8:50 am

1 stop20h 20m

Reykjavik Keflavik Intl

Sat 8/22

9:15 am-10:18 am

1 stop29h 03m

$876

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 5/26

5:40 pm-9:30 am

2 stops11h 50m

Reykjavik Keflavik Intl

Sun 5/31

11:25 am-9:29 pm

2 stops14h 04m

$893

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 4/12

5:02 pm-9:30 am

1 stop12h 28m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-11:41 pm

2 stops16h 16m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 22 resultsSorted by cheapest first
1
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  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Virgin Atlantic, Delta, and KLM fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 40m. The time it takes to get you to your destination can typically vary by up to 2h 16m. Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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